Arras 1918 was a battle honour awarded to units of the British and Imperial Armies that took part in one or more of the following engagements in World War I:
References
Arras 1918 (Battle honour) Wikipedia(Text) CC BY-SA
Arras 1918 was a battle honour awarded to units of the British and Imperial Armies that took part in one or more of the following engagements in World War I: